Trait yii\base\StaticInstanceTrait

All Classes | Methods
Implemented byyii\base\DynamicModel, yii\base\Model, yii\data\ActiveDataFilter, yii\data\DataFilter, yii\db\ActiveRecord, yii\db\BaseActiveRecord, yii\debug\models\Router, yii\debug\models\UserSwitch, yii\debug\models\router\ActionRoutes, yii\debug\models\router\CurrentRoute, yii\debug\models\router\RouterRules, yii\debug\models\search\Base, yii\debug\models\search\Db, yii\debug\models\search\Debug, yii\debug\models\search\Event, yii\debug\models\search\Log, yii\debug\models\search\Mail, yii\debug\models\search\Profile, yii\debug\models\search\User, yii\debug\models\timeline\Search, yii\elasticsearch\ActiveRecord, yii\gii\Generator, yii\gii\generators\controller\Generator, yii\gii\generators\crud\Generator, yii\gii\generators\extension\Generator, yii\gii\generators\form\Generator, yii\gii\generators\model\Generator, yii\gii\generators\module\Generator, yii\httpclient\debug\SearchModel, yii\mongodb\ActiveRecord, yii\mongodb\file\ActiveRecord, yii\mongodb\gii\model\Generator, yii\redis\ActiveRecord, yii\sphinx\ActiveRecord, yii\sphinx\gii\model\Generator
Available since version2.0.13
Source Code https://github.com/yiisoft/yii2/blob/master/framework/base/StaticInstanceTrait.php

StaticInstanceTrait provides methods to satisfy yii\base\StaticInstanceInterface interface.

See also yii\base\StaticInstanceInterface.

Public Methods

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Method Description Defined By
instance() Returns static class instance, which can be used to obtain meta information. yii\base\StaticInstanceTrait

Method Details

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instance() public static method

Returns static class instance, which can be used to obtain meta information.

public static static instance ( $refresh = false )
$refresh boolean

Whether to re-create static instance even, if it is already cached.
return static

Class instance.

 

                public static function instance($refresh = false)
{
    $className = get_called_class();
    if ($refresh || !isset(self::$_instances[$className])) {
        self::$_instances[$className] = Yii::createObject($className);
    }
    return self::$_instances[$className];
}